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Capital - Summary of Other Components of Equity (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure Of Accumulated Other Comprehensive Income [Line Items] |  |
Total | ₩ 23,801 | ₩ 4,016
Factors for re-measurement of defined benefit liabilities |  |
Disclosure Of Accumulated Other Comprehensive Income [Line Items] |  |
Total | 16 | 0
Foreign currency translation adjustments |  |
Disclosure Of Accumulated Other Comprehensive Income [Line Items] |  |
Total | ₩ 23,785 | ₩ 4,016

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